That's actually a wave dash, which is used in Japanese the same way as the dash in western languages. It sometimes carries over in translation and you can find it often in anime or manga titles. You sometimes also see Japanese brackets and quotation marks in translated titles.

EDIT: As I Pee Board doesn't seem to like Unicode:

"We do what we must, because we can."
"Gaming on a Mac is like women on the internet." — "Highly common and totally awesome?"

Hey people check me out, I knew Sneaky Snake before he was famous. That by osmosis makes me a little bit internet famous too, sorta kinda in a way almost. I could introduce him to you if you want. OMG I'm posting this on facebook!

Regarding BATTLETECH: so, Harebrained and Paradox insist on capitalising the name on every storefront it's sold, in every promotional material, on their forum, and on every other occasion… except in the name of the actual game application.

"We do what we must, because we can."
"Gaming on a Mac is like women on the internet." — "Highly common and totally awesome?"